The device for forestation by fixing dry sand comprises a plurality of water containers and gratings for fixing dry sand, wherein each water container is fixedly connected with the grating;

干沙土固土植树造林装置，包括多个聚水容器、用于固定干沙土的格栅，所述每个聚水容器均与格栅固定连接；

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And that in Turin there are people who sleep on the pavements, over warm cellar gratings.

在都灵，有人睡在大街上，蜗居在地下室格子间。

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Graduations manufactured with the SUPRADUR process act optically like three-dimensional phase gratings, but they have a planar structure and are therefore particularly insensitive to contamination.

毕业与制造过程中的行为SUPRADUR像光学三维相位光栅，但他们有一个平面结构，因此特别不敏感的污染。

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The holding-down bolts of twelve boilers and three triple-expansion engines, unintended to hold such weights from a perpendicular flooring, snapped, and down through a maze of ladders, gratings and fore-and-after bulkheads came these giant masses of steel and iron, puncturing the sides of the ship .

NEWYORKER: Unsinkable

This little miracle involves using tiny chip-mounted diffraction gratings and laser light passed over them via a scanning mirror.

FORBES: What's Coming